# 2003 Advanta Championships – Singles

Lindsay Davenport was the defending champion from when the event was last held in 2000, but she decided not to participate this year.
Amélie Mauresmo won the title, defeating Anastasia Myskina in the final, 5–7, 6–0, 6–2.

## Seeds

* Venus Williams (withdrew due to an abdominal strain)
* Amélie Mauresmo (Winner)
* Anastasia Myskina (final)
* Chanda Rubin (quarterfinals)
* Ai Sugiyama (semifinals)
* Vera Zvonareva (first round)
* Nadia Petrova (semifinals)
* Paola Suárez (withdrew)
* Meghann Shaughnessy (quarterfinals)
* Tina Pisnik (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 3 | Anastasia Myskina | 6 | 4 | 7 | | | | | |
| 7 | Nadia Petrova | 4 | 6 | 5 | | | | | |
| 7 | Nadia Petrova | 4 | 6 | 5 | 3 | Anastasia Myskina | 7 | 0 | 2 |
| | | | | | 2/WC | Amélie Mauresmo | 5 | 6 | 6 |
| 5 | Ai Sugiyama | 6 | 6$^6$ | 5 | 2/WC | Amélie Mauresmo | 5 | 6 | 6 |
| 2/WC | Amélie Mauresmo | 3 | 7 | 7 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 3 | A Myskina | 6 | 6 | | | | | | | | | | |
| | N Pratt | 6 | 3 | 7 | | N Pratt | 3 | 2 | | | | | | | | | | |
| Q | T Ashley | 2 | 6 | 6$^2$ | | | | | | 3 | A Myskina | 6 | 6 | | | | | |
| | M Weingärtner | 6 | 6 | | | | | | | | M Weingärtner | 3 | 1 | | | | | |
| LL | A Haynes | 3 | 4 | | | M Weingärtner | w/o | | | | | | | | | | | |
| LL | J Lee | 4 | 4 | | 10 | T Pisnik | | | | | | | | | | | | |
| 10 | T Pisnik | 6 | 6 | | | | | | | | | | | 3 | A Myskina | 6 | 4 | 7 |
| | | | | | | | | | | | | | | 7 | N Petrova | 4 | 6 | 5 |
| | | | | | 4 | C Rubin | 6 | 6 | | | | | | | | | | |
| | S Talaja | 6 | 3 | 5 | | A Stevenson | 2 | 4 | | | | | | | | | | |
| | A Stevenson | 4 | 6 | 7 | | | | | | 4 | C Rubin | 6$^5$ | 5 | | | | | |
| | C Black | 0 | 3 | | | | | | | 7 | N Petrova | 7 | 7 | | | | | |
| Q | M Suchá | 6 | 6 | | Q | M Suchá | 1 | 7 | 3 | | | | | | | | | |
| | A Frazier | 4 | 0 | | 7 | N Petrova | 6 | 5 | 6 | | | | | | | | | |
| 7 | N Petrova | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 9 | M Shaughnessy | 6 | 6 | | | | | | | | | | | | | | | | |
| LL | A-L Grönefeld | 3 | 2 | | 9 | M Shaughnessy | 6 | 6 | | | | | | | | | | | |
| | A Harkleroad | 6 | 2 | | | A Harkleroad | 3 | 1 | | | | | | | | | | | |
| | E Likhovtseva | 0 | 0$^r$ | | | | | | | 9 | M Shaughnessy | 2 | 7 | 2 | | | | | |
| | T Garbin | 6 | 7 | | | | | | | 5 | A Sugiyama | 6 | 5 | 6 | | | | | |
| WC | M Irvin | 1 | 6$^2$ | | | T Garbin | 4 | 7 | 3 | | | | | | | | | | |
| | | | | | 5 | A Sugiyama | 6 | 6$^3$ | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 5 | A Sugiyama | 6 | 6$^6$ | 5 |
| 6 | V Zvonareva | 3 | 6 | 2 | | | | | | | | | | | 2/WC | A Mauresmo | 3 | 7 | 7 |
| | L Raymond | 6 | 2 | 6 | | L Raymond | 2 | 7 | 7 | | | | | | | | | | |
| Q | J Janković | 6 | 6 | | Q | J Janković | 6 | 5 | 6$^5$ | | | | | | | | | | |
| WC | S Perry | 0 | 3 | | | | | | | | L Raymond | 3 | 3 | | | | | | |
| | S Cohen-Aloro | 6 | 6 | | | | | | | 2/WC | A Mauresmo | 6 | 6 | | | | | | |
| Q | A Kapros | 3 | 3 | | | S Cohen-Aloro | 6$^4$ | 4 | | | | | | | | | | | |
| | | | | | 2/WC | A Mauresmo | 7 | 6 | | | | | | | | | | | |